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<tr class="t-nv-h1"><td colspan="5"> 类</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="basic_regex.html" title="cpp/regex/basic regex"><span class="t-lines"><span>basic_regex</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="sub_match.html" title="cpp/regex/sub match"><span class="t-lines"><span>sub_match</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><strong class="selflink"><span class="t-lines"><span>match_results</span></span></strong></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
<tr class="t-nv-h1"><td colspan="5"> 算法</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="regex_match.html" title="cpp/regex/regex match"><span class="t-lines"><span>regex_match</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="regex_search.html" title="cpp/regex/regex search"><span class="t-lines"><span>regex_search</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="regex_replace.html" title="cpp/regex/regex replace"><span class="t-lines"><span>regex_replace</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
<tr class="t-nv-h1"><td colspan="5"> 迭代器</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="regex_iterator.html" title="cpp/regex/regex iterator"><span class="t-lines"><span>regex_iterator</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="regex_token_iterator.html" title="cpp/regex/regex token iterator"><span class="t-lines"><span>regex_token_iterator</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
<tr class="t-nv-h1"><td colspan="5"> 异常</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="regex_error.html" title="cpp/regex/regex error"><span class="t-lines"><span>regex_error</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
<tr class="t-nv-h1"><td colspan="5"> 特性</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="regex_traits.html" title="cpp/regex/regex traits"><span class="t-lines"><span>regex_traits</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
<tr class="t-nv-h1"><td colspan="5"> 常量</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="syntax_option_type.html" title="cpp/regex/syntax option type"><span class="t-lines"><span>syntax_option_type</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="match_flag_type.html" title="cpp/regex/match flag type"><span class="t-lines"><span>match_flag_type</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="error_type.html" title="cpp/regex/error type"><span class="t-lines"><span>error_type</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
<tr class="t-nv-h1"><td colspan="5"> 正则表达式文法</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="ecmascript.html" title="cpp/regex/ecmascript"><span class="t-lines"><span>Modified ECMAScript-262</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
</table></div><div></div></div></div></div><div class="t-navbar-sep"> </div><div class="t-navbar-head"><strong class="selflink"><tt>std::match_results</tt></strong><div class="t-navbar-menu"><div><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv-h1"><td colspan="5"> 成员函数</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="match_results/match_results.html" title="cpp/regex/match results/match results"><span class="t-lines"><span>match_results::match_results</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="match_results/~match_results.html" title="cpp/regex/match results/~match results"><span class="t-lines"><span>match_results::~match_results</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="match_results/operator%3D.html" title="cpp/regex/match results/operator="><span class="t-lines"><span>match_results::operator=</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="match_results/get_allocator.html" title="cpp/regex/match results/get allocator"><span class="t-lines"><span>match_results::get_allocator</span></span></a></div></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> 状态</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="match_results/ready.html" title="cpp/regex/match results/ready"><span class="t-lines"><span>match_results::ready</span></span></a></div></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> 成员访问</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="match_results/size.html" title="cpp/regex/match results/size"><span class="t-lines"><span>match_results::size</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="match_results/max_size.html" title="cpp/regex/match results/max size"><span class="t-lines"><span>match_results::max_size</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="match_results/empty.html" title="cpp/regex/match results/empty"><span class="t-lines"><span>match_results::empty</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="match_results/length.html" title="cpp/regex/match results/length"><span class="t-lines"><span>match_results::length</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="match_results/position.html" title="cpp/regex/match results/position"><span class="t-lines"><span>match_results::position</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="match_results/str.html" title="cpp/regex/match results/str"><span class="t-lines"><span>match_results::str</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="match_results/operator_at.html" title="cpp/regex/match results/operator at"><span class="t-lines"><span>match_results::operator[]</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="match_results/prefix.html" title="cpp/regex/match results/prefix"><span class="t-lines"><span>match_results::prefix</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="match_results/suffix.html" title="cpp/regex/match results/suffix"><span class="t-lines"><span>match_results::suffix</span></span></a></div></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> 迭代器</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="match_results/begin.html" title="cpp/regex/match results/begin"><span class="t-lines"><span>match_results::begin</span><span>match_results::cbegin</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="match_results/end.html" title="cpp/regex/match results/end"><span class="t-lines"><span>match_results::end</span><span>match_results::cend</span></span></a></div></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> 格式</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="match_results/format.html" title="cpp/regex/match results/format"><span class="t-lines"><span>match_results::format</span></span></a></div></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> 修改器</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="match_results/swap.html" title="cpp/regex/match results/swap"><span class="t-lines"><span>match_results::swap</span></span></a></div></div></td></tr>
<tr class="t-nv-h1"><td colspan="5"> 非成员函数</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="match_results/operator_cmp.html" title="cpp/regex/match results/operator cmp"><span class="t-lines"><span>operator==</span><span>operator!=</span></span></a></div><div><span class="t-lines"><span></span><span><span class="t-mark-rev t-until-cxx20">(C++20 前)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="match_results/swap2.html" title="cpp/regex/match results/swap2"><span class="t-lines"><span>swap<span class="t-dsc-small">(std::match_results)</span></span></span></a></div></div></td></tr>
</table></div><div></div></div></div></div><div class="t-navbar-sep"> </div></div>
<table class="t-dcl-begin"><tbody>
<tr class="t-dsc-header">
<td> <div>定义于头文件 <code><a href="../header/regex.html" title="cpp/header/regex">&lt;regex&gt;</a></code>
 </div></td>
<td></td>
<td></td>
</tr>
<tr class="t-dcl t-since-cxx11">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span><br>
<p>    <span class="kw1">class</span> BidirIt,<br>
    <span class="kw1">class</span> Alloc <span class="sy1">=</span> <a href="../memory/allocator.html"><span class="kw700">std::<span class="me2">allocator</span></span></a><span class="sy1">&lt;</span><a href="sub_match.html"><span class="kw2002">std::<span class="me2">sub_match</span></span></a><span class="sy1">&lt;</span>BidirIt<span class="sy1">&gt;&gt;</span><br>
</p>
<span class="sy1">&gt;</span> <span class="kw1">class</span> match_results<span class="sy4">;</span></span></div></td>
<td> (1) </td>
<td> <span class="t-mark-rev t-since-cxx11">(C++11 起)</span> </td>
</tr>
<tr class="t-dcl t-since-cxx17">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw1">namespace</span> pmr <span class="br0">{</span><br>
<p>    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BidirIt<span class="sy1">&gt;</span><br>
    <span class="kw1">using</span> match_results <span class="sy1">=</span> std<span class="sy4">::</span><span class="me2">match_results</span><span class="sy1">&lt;</span>BidirIt,<br>
                              <a href="../memory/polymorphic_allocator.html"><span class="kw707">std::<span class="me2">pmr</span><span class="sy4">::</span><span class="me2">polymorphic_allocator</span></span></a><span class="sy1">&lt;</span><br>
                                  <a href="sub_match.html"><span class="kw2002">std::<span class="me2">sub_match</span></span></a><span class="sy1">&lt;</span>BidirIt<span class="sy1">&gt;&gt;&gt;</span><span class="sy4">;</span><br>
</p>
<span class="br0">}</span></span></div></td>
<td> (2) </td>
<td> <span class="t-mark-rev t-since-cxx17">(C++17 起)</span> </td>
</tr>
<tr class="t-dcl-sep"><td></td><td></td><td></td></tr>
</tbody></table>
<p>类模板 <code>std::match_results</code> 保有表示正则表达式匹配结果的字符序列汇集。
</p><p>这是特殊的具分配器容器。它只能默认创建、从<span class="t-lc"><a href="regex_iterator.html" title="cpp/regex/regex iterator">std::regex_iterator</a></span> 获得，或通过 <span class="t-lc"><a href="regex_search.html" title="cpp/regex/regex search">std::regex_search</a></span> 或 <span class="t-lc"><a href="regex_match.html" title="cpp/regex/regex match">std::regex_match</a></span> 修改。 <code>std::match_results</code> 保有 <span class="t-lc"><a href="sub_match.html" title="cpp/regex/sub match">std::sub_match</a></span> ，它们每个都是一对指向匹配的原初字符序列中的迭代器，故若原初字符序列被销毁，或指向它的迭代器因另外的原因非法化，则检验 <code>std::match_results</code> 是未定义行为。
</p><p><code>match_result</code> 中所含的首个 <code>sub_match</code> （下标 0 ）始终表示 regex 所做的目标序列内的完整匹配，而后继的 <code>sub_match</code> 表示按顺序对应分隔正则表达式中子表达式的左括号的子表达式匹配
</p><p><code>std::match_results</code> 满足<a href="../named_req/AllocatorAwareContainer.html" title="cpp/named req/AllocatorAwareContainer"><i>具分配器容器</i> <span style="font-family: Georgia, 'DejaVu Serif', serif; font-style:italic">(AllocatorAwareContainer)</span> </a>与<a href="../named_req/SequenceContainer.html" title="cpp/named req/SequenceContainer"><i>序列容器</i> <span style="font-family: Georgia, 'DejaVu Serif', serif; font-style:italic">(SequenceContainer)</span> </a>的要求，除了仅支持复制赋值、移动赋值和对常容器定义的操作，还有比较函数的语义异于对容器要求的语义。
</p>
<h3><span class="mw-headline" id=".E7.B1.BB.E5.9E.8B.E8.A6.81.E6.B1.82">类型要求</span></h3>
<table class="t-par-begin">


<tr class="t-par-req">
<td colspan="3"> -<div class="spacer"></div><code>BidirIt</code> 必须满足<a href="../named_req/BidirectionalIterator.html" title="cpp/named req/BidirectionalIterator"><i>遗留双向迭代器</i> <span style="font-family: Georgia, 'DejaVu Serif', serif; font-style:italic">(LegacyBidirectionalIterator)</span> </a> 的要求。
</td></tr>
<tr class="t-par-req">
<td colspan="3"> -<div class="spacer"></div><code>Alloc</code> 必须满足<a href="../named_req/Allocator.html" title="cpp/named req/Allocator"><i>分配器</i> <span style="font-family: Georgia, 'DejaVu Serif', serif; font-style:italic">(Allocator)</span> </a> 的要求。
</td></tr></table>
<h3><span class="mw-headline" id=".E7.89.B9.E5.8C.96">特化</span></h3>
<p>提供几个对常用字符类型的特化：
</p>
<table class="t-dsc-begin">

<tr class="t-dsc-header">
<td colspan="2"> <div>定义于头文件 <code>&lt;regex&gt;</code> </div>
</td></tr>

<tr class="t-dsc-sep">
<td colspan="2">  
</td></tr>
<tr class="t-dsc-hitem">
<td> 类型
</td>
<td> 定义
</td></tr>


<tr class="t-dsc">
<td>  <code>std::cmatch</code>
</td>
<td>  <span class="t-c"><span class="mw-geshi cpp source-cpp">std<span class="sy4">::</span><span class="me2">match_results</span><span class="sy1">&lt;</span><span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span><span class="sy1">&gt;</span></span></span>
</td></tr>

<tr class="t-dsc">
<td>  <code>std::wcmatch</code>
</td>
<td>  <span class="t-c"><span class="mw-geshi cpp source-cpp">std<span class="sy4">::</span><span class="me2">match_results</span><span class="sy1">&lt;</span><span class="kw4">const</span> <span class="kw4">wchar_t</span><span class="sy2">*</span><span class="sy1">&gt;</span></span></span>
</td></tr>

<tr class="t-dsc">
<td>  <code>std::smatch</code>
</td>
<td>  <span class="t-c"><span class="mw-geshi cpp source-cpp">std<span class="sy4">::</span><span class="me2">match_results</span><span class="sy1">&lt;</span>std<span class="sy4">::</span><span class="me2">string</span><span class="sy4">::</span><span class="me2">const_iterator</span><span class="sy1">&gt;</span></span></span>
</td></tr>

<tr class="t-dsc">
<td>  <code>std::wsmatch</code>
</td>
<td>  <span class="t-c"><span class="mw-geshi cpp source-cpp">std<span class="sy4">::</span><span class="me2">match_results</span><span class="sy1">&lt;</span>std<span class="sy4">::</span><span class="me2">wstring</span><span class="sy4">::</span><span class="me2">const_iterator</span><span class="sy1">&gt;</span></span></span>
</td></tr>

<tr class="t-dsc">
<td>  <code>std::pmr::cmatch</code> <span class="t-mark-rev t-since-cxx17">(C++17)</span>
</td>
<td>  <span class="t-c"><span class="mw-geshi cpp source-cpp">std<span class="sy4">::</span><span class="me2">pmr</span><span class="sy4">::</span><span class="me2">match_results</span><span class="sy1">&lt;</span><span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span><span class="sy1">&gt;</span></span></span>
</td></tr>

<tr class="t-dsc">
<td>  <code>std::pmr::wcmatch</code> <span class="t-mark-rev t-since-cxx17">(C++17)</span>
</td>
<td>  <span class="t-c"><span class="mw-geshi cpp source-cpp">std<span class="sy4">::</span><span class="me2">pmr</span><span class="sy4">::</span><span class="me2">match_results</span><span class="sy1">&lt;</span><span class="kw4">const</span> <span class="kw4">wchar_t</span><span class="sy2">*</span><span class="sy1">&gt;</span></span></span>
</td></tr>

<tr class="t-dsc">
<td>  <code>std::pmr::smatch</code> <span class="t-mark-rev t-since-cxx17">(C++17)</span>
</td>
<td>  <span class="t-c"><span class="mw-geshi cpp source-cpp">std<span class="sy4">::</span><span class="me2">pmr</span><span class="sy4">::</span><span class="me2">match_results</span><span class="sy1">&lt;</span>std<span class="sy4">::</span><span class="me2">string</span><span class="sy4">::</span><span class="me2">const_iterator</span><span class="sy1">&gt;</span></span></span>
</td></tr>

<tr class="t-dsc">
<td>  <code>std::pmr::wsmatch</code> <span class="t-mark-rev t-since-cxx17">(C++17)</span>
</td>
<td>  <span class="t-c"><span class="mw-geshi cpp source-cpp">std<span class="sy4">::</span><span class="me2">pmr</span><span class="sy4">::</span><span class="me2">match_results</span><span class="sy1">&lt;</span>std<span class="sy4">::</span><span class="me2">wstring</span><span class="sy4">::</span><span class="me2">const_iterator</span><span class="sy1">&gt;</span></span></span>
</td></tr>
</table>
<h3><span class="mw-headline" id=".E6.88.90.E5.91.98.E7.B1.BB.E5.9E.8B">成员类型</span></h3>
<table class="t-dsc-begin">

<tr class="t-dsc-sep">
<td colspan="2">  
</td></tr>
<tr class="t-dsc-hitem">
<td> 成员类型
</td>
<td> 定义
</td></tr>


<tr class="t-dsc">
<td>  <code>allocator_type</code>
</td>
<td>  <span class="t-c"><span class="mw-geshi cpp source-cpp">Allocator</span></span>
</td></tr>

<tr class="t-dsc">
<td>  <code>value_type</code>
</td>
<td>  <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="sub_match.html"><span class="kw2002">std::<span class="me2">sub_match</span></span></a><span class="sy1">&lt;</span>BidirIt<span class="sy1">&gt;</span></span></span>
</td></tr>

<tr class="t-dsc">
<td>  <code>const_reference</code>
</td>
<td>  <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw4">const</span> value_type<span class="sy3">&amp;</span></span></span>
</td></tr>

<tr class="t-dsc">
<td>  <code>reference</code>
</td>
<td>  <span class="t-c"><span class="mw-geshi cpp source-cpp">value_type<span class="sy3">&amp;</span></span></span>
</td></tr>

<tr class="t-dsc">
<td>  <code>const_iterator</code>
</td>
<td> <i>实现定义</i>（取决于底层容器）
</td></tr>

<tr class="t-dsc">
<td>  <code>iterator</code>
</td>
<td>  <span class="t-c"><span class="mw-geshi cpp source-cpp">const_iterator</span></span>
</td></tr>

<tr class="t-dsc">
<td>  <code>difference_type</code>
</td>
<td>  <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="../iterator/iterator_traits.html"><span class="kw651">std::<span class="me2">iterator_traits</span></span></a><span class="sy1">&lt;</span>BidirIt<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">difference_type</span></span></span>
</td></tr>

<tr class="t-dsc">
<td>  <code>size_type</code>
</td>
<td>  <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="../memory/allocator_traits.html"><span class="kw701">std::<span class="me2">allocator_traits</span></span></a><span class="sy1">&lt;</span>Alloc<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">size_type</span></span></span>
</td></tr>

<tr class="t-dsc">
<td>  <code>char_type</code>
</td>
<td>  <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="../iterator/iterator_traits.html"><span class="kw651">std::<span class="me2">iterator_traits</span></span></a><span class="sy1">&lt;</span>BidirIt<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span></span></span>
</td></tr>

<tr class="t-dsc">
<td>  <code>string_type</code>
</td>
<td>  <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="../string/basic_string.html"><span class="kw1228">std::<span class="me2">basic_string</span></span></a><span class="sy1">&lt;</span>char_type<span class="sy1">&gt;</span></span></span>
</td></tr>
</table>
<h3><span class="mw-headline" id=".E6.88.90.E5.91.98.E5.87.BD.E6.95.B0">成员函数</span></h3>
<table class="t-dsc-begin">

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div t-dsc-member-nobold-div"><div><a href="match_results/match_results.html" title="cpp/regex/match results/match results"> <span class="t-lines"><span>(构造函数)</span></span></a></div></div>
</td>
<td>  构造对象 <br> <span class="t-mark">(公开成员函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div t-dsc-member-nobold-div"><div><a href="match_results/~match_results.html" title="cpp/regex/match results/~match results"> <span class="t-lines"><span>(析构函数)</span></span></a></div></div>
</td>
<td>  析构对象 <br> <span class="t-mark">(公开成员函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="match_results/operator%3D.html" title="cpp/regex/match results/operator="> <span class="t-lines"><span>operator=</span></span></a></div></div>
</td>
<td>  赋值内容 <br> <span class="t-mark">(公开成员函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="match_results/get_allocator.html" title="cpp/regex/match results/get allocator"> <span class="t-lines"><span>get_allocator</span></span></a></div></div>
</td>
<td>  返回关联的分配器 <br> <span class="t-mark">(公开成员函数)</span> </td></tr>


<tr>
<td colspan="2"> <h5> <span class="mw-headline" id=".E7.8A.B6.E6.80.81"> 状态 </span></h5>
</td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="match_results/ready.html" title="cpp/regex/match results/ready"> <span class="t-lines"><span>ready</span></span></a></div></div>
</td>
<td>  检查结果是否合法 <br> <span class="t-mark">(公开成员函数)</span>
</td></tr>


<tr>
<td colspan="2"> <h5> <span class="mw-headline" id=".E5.A4.A7.E5.B0.8F"> 大小 </span></h5>
</td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="match_results/empty.html" title="cpp/regex/match results/empty"> <span class="t-lines"><span>empty</span></span></a></div></div>
</td>
<td>  检查匹配是否成功 <br> <span class="t-mark">(公开成员函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="match_results/size.html" title="cpp/regex/match results/size"> <span class="t-lines"><span>size</span></span></a></div></div>
</td>
<td>  返回完全建立的结果状态中的匹配数 <br> <span class="t-mark">(公开成员函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="match_results/max_size.html" title="cpp/regex/match results/max size"> <span class="t-lines"><span>max_size</span></span></a></div></div>
</td>
<td>  返回子匹配的最大可能数量 <br> <span class="t-mark">(公开成员函数)</span> </td></tr>


<tr>
<td colspan="2"> <h5> <span class="mw-headline" id=".E5.85.83.E7.B4.A0.E8.AE.BF.E9.97.AE"> 元素访问 </span></h5>
</td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="match_results/length.html" title="cpp/regex/match results/length"> <span class="t-lines"><span>length</span></span></a></div></div>
</td>
<td>  返回特定子匹配的长度 <br> <span class="t-mark">(公开成员函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="match_results/position.html" title="cpp/regex/match results/position"> <span class="t-lines"><span>position</span></span></a></div></div>
</td>
<td>  返回特定子匹配首字符的位置 <br> <span class="t-mark">(公开成员函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="match_results/str.html" title="cpp/regex/match results/str"> <span class="t-lines"><span>str</span></span></a></div></div>
</td>
<td>  返回特定子匹配的字符序列 <br> <span class="t-mark">(公开成员函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="match_results/operator_at.html" title="cpp/regex/match results/operator at"> <span class="t-lines"><span>operator[]</span></span></a></div></div>
</td>
<td>  返回指定的子匹配 <br> <span class="t-mark">(公开成员函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="match_results/prefix.html" title="cpp/regex/match results/prefix"> <span class="t-lines"><span>prefix</span></span></a></div></div>
</td>
<td>  返回目标序列起始和完整匹配起始之间的子序列。 <br> <span class="t-mark">(公开成员函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="match_results/suffix.html" title="cpp/regex/match results/suffix"> <span class="t-lines"><span>suffix</span></span></a></div></div>
</td>
<td>  返回完整匹配结尾和目标序列结尾之间的子序列 <br> <span class="t-mark">(公开成员函数)</span> </td></tr>


<tr>
<td colspan="2"> <h5> <span class="mw-headline" id=".E8.BF.AD.E4.BB.A3.E5.99.A8"> 迭代器 </span></h5>
</td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="match_results/begin.html" title="cpp/regex/match results/begin"> <span class="t-lines"><span>begin</span><span>cbegin</span></span></a></div></div>
</td>
<td>  返回指向子匹配列表起始的迭代器 <br> <span class="t-mark">(公开成员函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="match_results/end.html" title="cpp/regex/match results/end"> <span class="t-lines"><span>end</span><span>cend</span></span></a></div></div>
</td>
<td>  返回指向子匹配列表末尾的迭代器 <br> <span class="t-mark">(公开成员函数)</span> </td></tr>


<tr>
<td colspan="2"> <h5> <span class="mw-headline" id=".E6.A0.BC.E5.BC.8F"> 格式 </span></h5>
</td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="match_results/format.html" title="cpp/regex/match results/format"> <span class="t-lines"><span>format</span></span></a></div></div>
</td>
<td>   为输出格式化匹配结果  <br> <span class="t-mark">(公开成员函数)</span> </td></tr>


<tr>
<td colspan="2"> <h5> <span class="mw-headline" id=".E4.BF.AE.E6.94.B9.E5.99.A8"> 修改器 </span></h5>
</td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="match_results/swap.html" title="cpp/regex/match results/swap"> <span class="t-lines"><span>swap</span></span></a></div></div>
</td>
<td>  交换内容 <br> <span class="t-mark">(公开成员函数)</span> </td></tr>

</table>
<h3><span class="mw-headline" id=".E9.9D.9E.E6.88.90.E5.91.98.E5.87.BD.E6.95.B0">非成员函数</span></h3>
<table class="t-dsc-begin">

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="match_results/operator_cmp.html" title="cpp/regex/match results/operator cmp"> <span class="t-lines"><span>operator==</span><span>operator!=</span></span></a></div><div><span class="t-lines"><span></span><span><span class="t-mark-rev t-until-cxx20">(C++20 中移除)</span></span></span></div></div>
</td>
<td>  以字典序比较两个匹配结果的值 <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="match_results/swap2.html" title="cpp/regex/match results/swap2"> <span class="t-lines"><span>std::swap<span class="t-dsc-small">(std::match_results)</span></span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div>
</td>
<td>   特化 <a href="../algorithm/swap.html" title="cpp/algorithm/swap"><tt>std::swap()</tt></a> 算法 <br> <span class="t-mark">(函数模板)</span> </td></tr>
</table>

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